Merge branch 'jc/is-url-simplify'
* jc/is-url-simplify: url.c: simplify is_url()
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commit
8b482c0ccc
32
url.c
32
url.c
@ -18,35 +18,15 @@ int is_urlschemechar(int first_flag, int ch)
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int is_url(const char *url)
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{
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const char *url2, *first_slash;
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if (!url)
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/* Is "scheme" part reasonable? */
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if (!url || !is_urlschemechar(1, *url++))
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return 0;
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url2 = url;
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first_slash = strchr(url, '/');
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/* Input with no slash at all or slash first can't be URL. */
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if (!first_slash || first_slash == url)
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while (*url && *url != ':') {
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if (!is_urlschemechar(0, *url++))
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return 0;
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/* Character before must be : and next must be /. */
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if (first_slash[-1] != ':' || first_slash[1] != '/')
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return 0;
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/* There must be something before the :// */
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if (first_slash == url + 1)
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return 0;
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/*
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* Check all characters up to first slash - 1. Only alphanum
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* is allowed.
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*/
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url2 = url;
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while (url2 < first_slash - 1) {
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if (!is_urlschemechar(url2 == url, (unsigned char)*url2))
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return 0;
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url2++;
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}
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/* Valid enough. */
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return 1;
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/* We've seen "scheme"; we want colon-slash-slash */
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return (url[0] == ':' && url[1] == '/' && url[2] == '/');
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}
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static int url_decode_char(const char *q)
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